Finding the Fourth Proportional to 117,567.12, 176,162.36 and 105,630.80
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Solution
The fourth proportional to 117,567.12, 176,162.36 and 105,630.80 is: 158,277.00
Step by Step Solution
- Step 1: Write the proportion equation
117,567.12 : 176,162.36 = 105,630.80 : x - Step 2: Convert to fraction form
117,567.12/176,162.36 = 105,630.80/x - Step 3: Cross multiply
117,567.12x = 176,162.36 × 105,630.80 - Step 4: Simplify right side
117,567.12x = 18,608,171,016.69 - Step 5: Solve for x
x = 18,608,171,016.69/117,567.12 - Step 6: Final answer
x = 158,277.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.